Global 3D Printing Market Size, Trends, By Component (Hardware, Software, Services), By Material Type (Metals, Plastics, Ceramics, and Others), By Printer Type (Industrial, Desktop), By Technology (Stereolithography, Inkjet/Polyjet Printing, Fused Deposition Modeling, Selective Laser Sintering, Direct Metal Laser Sintering, Digital Light Processing, Laminated Object Manufacturing, and Others), By